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AU3962797A - Microprocessor based apparatus and method for sensing fluid level - Google Patents

Microprocessor based apparatus and method for sensing fluid level

Info

Publication number
AU3962797A
AU3962797A AU39627/97A AU3962797A AU3962797A AU 3962797 A AU3962797 A AU 3962797A AU 39627/97 A AU39627/97 A AU 39627/97A AU 3962797 A AU3962797 A AU 3962797A AU 3962797 A AU3962797 A AU 3962797A
Authority
AU
Australia
Prior art keywords
fluid level
microprocessor based
based apparatus
sensing fluid
sensing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
AU39627/97A
Inventor
James R. Champion
Robert D. Shaw
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Teleflex Inc
Original Assignee
Teleflex Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Teleflex Inc filed Critical Teleflex Inc
Publication of AU3962797A publication Critical patent/AU3962797A/en
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/284—Electromagnetic waves

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
AU39627/97A 1996-07-23 1997-07-23 Microprocessor based apparatus and method for sensing fluid level Abandoned AU3962797A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08685251 1996-07-23
US08/685,251 US5651286A (en) 1996-07-23 1996-07-23 Microprocessor based apparatus and method for sensing fluid level
PCT/US1997/012903 WO1998003840A1 (en) 1996-07-23 1997-07-23 Microprocessor based apparatus and method for sensing fluid level

Publications (1)

Publication Number Publication Date
AU3962797A true AU3962797A (en) 1998-02-10

Family

ID=24751386

Family Applications (1)

Application Number Title Priority Date Filing Date
AU39627/97A Abandoned AU3962797A (en) 1996-07-23 1997-07-23 Microprocessor based apparatus and method for sensing fluid level

Country Status (4)

Country Link
US (1) US5651286A (en)
EP (1) EP0914593A4 (en)
AU (1) AU3962797A (en)
WO (1) WO1998003840A1 (en)

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US6178817B1 (en) * 1996-11-22 2001-01-30 Venture Measurement Company Llc Material level sensing
US6085589A (en) * 1996-12-23 2000-07-11 Venture Measurement Company Llc Material level sensing system calibration
US5819582A (en) * 1997-03-31 1998-10-13 Kelly; John M. Slow wave time-domain reflectometer point level sensor
US5943908A (en) * 1997-09-08 1999-08-31 Teleflex Incorporated Probe for sensing fluid level
US6166681A (en) * 1998-08-18 2000-12-26 Usx Corporation Measuring the thickness of materials
US6452467B1 (en) 1999-04-01 2002-09-17 Mcewan Technologies, Llc Material level sensor having a wire-horn launcher
US6300897B1 (en) * 1999-07-02 2001-10-09 Rosemount Inc. Stabilization in a radar level gauge
WO2001018502A1 (en) * 1999-09-07 2001-03-15 Endress + Hauser Gmbh + Co. Kg Device for determining a physical process variable of a medium
US6295018B1 (en) * 1999-09-27 2001-09-25 Rosemount Inc. Low power radar level instrument with enhanced diagnostics
DE10019129A1 (en) * 2000-04-18 2001-10-25 Endress Hauser Gmbh Co Microwave tank level sensor, has tapered coupling unit avoids cavity resonances
DE10133692A1 (en) * 2000-07-14 2002-02-21 Bosch Gmbh Robert Method of measuring level of liquid in container involves forming indication signal from variable capacitance of capacitor or characteristic impedance of immersion sensor
DE10047321A1 (en) * 2000-09-25 2002-04-25 Grieshaber Vega Kg Method for displaying and / or changing parameters of a measuring device and measuring device for carrying out the method
US6460412B1 (en) 2000-10-27 2002-10-08 Union Carbide Chemicals & Plastics Technology Corporation Detection of dynamic fluidized bed level in a fluidized bed polymerization reactor using ultrasonic waves or microwaves
WO2004005959A1 (en) * 2002-07-08 2004-01-15 Saab Marine Electronics Ab Level gauging system
DE10240550A1 (en) * 2002-08-29 2004-03-18 Krohne S.A. level meter
US7394451B1 (en) * 2003-09-03 2008-07-01 Vantage Controls, Inc. Backlit display with motion sensor
US20050088307A1 (en) * 2003-10-14 2005-04-28 Schaffer Joseph W. Transmitter
US6988404B2 (en) 2003-12-11 2006-01-24 Ohmart/Vega Corporation Apparatus for use in measuring fluid levels
US7451789B2 (en) * 2005-09-30 2008-11-18 Delaware Capital Formation, Inc. Tank car loading control and monitoring system and method
CN100590450C (en) * 2007-11-21 2010-02-17 厦门大学 microwave range finder
US8648612B2 (en) * 2010-07-09 2014-02-11 Rosemount Tank Radar Ab Calibration of a distance measuring device
US8813559B2 (en) * 2010-12-16 2014-08-26 Vega Grieshaber Kg Determination of media characteristics in fill-level measuring
US10220535B2 (en) 2011-09-08 2019-03-05 The Boeing Company Systems and methods of separating tubing sleeves from a tubing holder
US10226877B1 (en) 2011-09-08 2019-03-12 The Boeing Company Systems and methods of separating tubing sleeves from a tubing holder
US9035255B2 (en) 2011-09-21 2015-05-19 Rosemont Tank Radar AB Calibration of a level gauge system
WO2014085753A1 (en) * 2012-11-30 2014-06-05 Thermo King Corporation Method for configuration of a fuel level sensor system for unique tank geometry
US9074922B2 (en) 2012-12-10 2015-07-07 Ge-Hitachi Nuclear Energy Americas Llc Systems and methods for remotely measuring a liquid level using time-domain reflectometry (TDR)
US9909916B2 (en) * 2013-07-16 2018-03-06 The Boeing Company Wireless fuel sensor system
US9293033B2 (en) 2013-07-16 2016-03-22 The Boeing Company Wireless fuel sensor system
US9778089B2 (en) * 2014-06-30 2017-10-03 Rosemount Tank Radar Ab Multi-channel guided wave radar level gauge
RU2678760C2 (en) * 2014-08-07 2019-01-31 Зе Боинг Компани Wireless fuel sensor system
US20160054164A1 (en) * 2014-08-19 2016-02-25 Honeywell International Inc. Compensated fluid level transmitter
US9841307B2 (en) * 2014-09-30 2017-12-12 Rosemount Inc. Multivariable guided wave radar probe
EP3258224B1 (en) * 2016-06-13 2021-05-19 VEGA Grieshaber KG Spacer for holding a distance between a rod-shaped conductor and an external conductor of a fill level measuring probe

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3832900A (en) * 1971-06-28 1974-09-03 Sperry Rand Corp Apparatus and method for measuring the level of a contained liquid
IT961071B (en) * 1971-09-04 1973-12-10 Cnen PROBE AND INSTALLATION FOR MEASURING THE LEVELS OF INTERFACES OF FLUIDS AND OF THE CONSTANTS OF THE ELETTERS AND OF THE SAME
US3922914A (en) * 1974-09-18 1975-12-02 Us Interior Bed level monitor
US3995212A (en) * 1975-04-14 1976-11-30 Sperry Rand Corporation Apparatus and method for sensing a liquid with a single wire transmission line
US4359902A (en) * 1980-07-31 1982-11-23 Lawless James C Liquid level gauge
US4786857A (en) * 1986-04-24 1988-11-22 Charles L. Mohr Methods and apparatus for time domain reflectometry determination of relative proportion, fluid inventory and turbulence
US5457990A (en) * 1991-12-03 1995-10-17 Cambridge Consultants Limited Method and apparatus for determining a fluid level in the vicinity of a transmission line
US5457394A (en) * 1993-04-12 1995-10-10 The Regents Of The University Of California Impulse radar studfinder
DE4404745C2 (en) * 1994-02-15 1997-03-06 Grieshaber Vega Kg Level measuring device

Also Published As

Publication number Publication date
EP0914593A1 (en) 1999-05-12
EP0914593A4 (en) 2000-10-11
WO1998003840A1 (en) 1998-01-29
US5651286A (en) 1997-07-29

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